Scale promotional, transactional, and OTP workflows with transparent volume pricing, multi-carrier redundancy, and expert TRAI DLT compliance guidance.
TRAI's DLT (Distributed Ledger Technology) framework ensures sender identity verification and template compliance across Indian telecom networks.
BLACKSMS provides streamlined routing pathways for every messaging category:
For user authentication, account alerts, and order verification — pre-approved pathways guarantee immediate delivery.
For customer campaigns, BLACKSMS offers DLT registration assistance and template approval support across major telecom portals.
Volume-based billing with zero hidden platform fees.
| Tier | Recharge Commitment | Price per SMS | Credit Validity |
|---|---|---|---|
| Starter Tier | ₹100 - ₹3,999 | ₹0.30 | Unlimited |
| Growth Tier | ₹4,000 - ₹13,999 | ₹0.25 - ₹0.27 | +6 Months |
| Scale Tier | ₹14,000 - ₹129,999 | ₹0.21 - ₹0.23 | +12 Months |
| Enterprise Tier | ₹130,000+ | ₹0.15 - ₹0.19 | +24 Months |
BLACKSMS assists companies with entity and header registration while managing pre-approved transactional routes for OTP authentication flows.
Our volume tiers automatically reduce unit message costs down to ₹0.15 per SMS as your monthly volume increases.
Developers can sign up for an account, obtain an API key, and test message requests using cURL or SDKs immediately.
High delivery throughput. Transparent volume pricing. 24×7 technical support.